Matematika i-variant 1-chorak Qavsli ifodani bajaring: 78 – (27 + 19) =

Noma’lum kamayuvchini toping: X – 246 = 568 – 136

1. 
   568 b) 670 c) 760 d) 678
   

15. 
    Misollarni yeching: 160 · 5 = 320 : 8 =
    

1. 
   165, 40 b) 16, 400 c) 800, 40 d) 80, 400
   

16. 
    8 ta gugurt 800 so’m turadi. 500 so’mga nechta gugurt sotib olish mumkin?
    

1. 
   5 ta b) 6 ta c) 4 ta d) 10 ta
   

17. 
    Yillarda ifodalang: 2 asr 20 yil = yil
    

1. 
   120 yil b) 220 yil c) 100 yil d) 200 yil
   

18. 
    Misolni yeching: 221 · 3 + 257 =
    

1. 
   920 b) 290 c) 900 d) 910
   

19. 
    Bo’yi 12 sm, eni 20 m.ga teng bo’lgan yer maydonining yuzini hisoblang.
    

1. 
   200 m² b) 24 m² c) 240 m² d) 202 m²
   

20. 
    1 ta o’ramda 242 m sim bor. Shunday 3 ta o’ramda necha metr sim bo’ladi?
    

1. 
   720 m b) 700 m c) 725 m d) 726 m
   

21. 
    Bo’sh kataklar o’rniga >, < yoki = belgilarini mosini qo’ying: 1 · 354 0 · 888
    

1. 
   > b) = c) < d) =
   

22. 
    Do’konda bir kunda 250 kg un, undan 5 marta kam guruch sotildi. Do’konda necha kg guruch sotilgan?
    

1. 
   53 kg b) 54 kg c) 51 kg d) 50 kg
   

23.